Family name Раильжан (Раильжан 
) , worldwide, is an extremely rare surname. The cognomen Раильжан is characteristic of Central Asia, particularly Kyrgyzstan, where it is a very rare surname. Likewise, Раильжан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Раильжан | Kyrgyzstan |